'Human tail bone' diaporamas de présentation

Hypothesis vs. Theory

Hypothesis vs. Theory. Hypothesis: Theory:. An educated guess. A hypothesis that has been tested many times and has a lot of data supporting it. Ex the theory of evolution. DNA - double helix shape -like a winding staircase. Adenine. Composed of 4 bases 1. 2. 3. 4.

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What is Evolution?

What is Evolution?. changes in living organisms and their genes over time We KNOW based on evidence and observations explains how modern organisms have descended from ancient organisms. Evolution explains BOTH unity of life - similarities between all living things AND

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Theory of Evolution

Theory of Evolution. Fossils indicate that living things have changed over time. Several scientists had ideas to explain how. Theory (in science). A model that scientists develop that can be tested with experiments Constantly tested against facts

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Theory of Evolution

Theory of Evolution. Chapter 16. Idea of Evolution. Charles Darwin (1809-1882) English ________________ Took a trip around the world on a ship called ________________ Mostly fascinated with the ________________ Islands Best known for his theory of ________________ by natural selection.

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Evidence for Evolution by Natural Selection

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Review Chapters 14 and 15

Review Chapters 14 and 15. Evolution. Which answer best shows an animal's adaptation to the tropical rain forest ?. A squirrels tail The long neck of an ostrich Camouflage in a tree snake Stripes of a zebra.

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Evidence for Evolution

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